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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Biodegradation: Not readily biodegradable

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

Additional information

The ready biodegradability of an analgue of the substance, tetrahydromethylphthalic anhydride (MTHPA), was studied in a Modified MITI Test conducted according to the OECD guideline 301 C.

MTHPA changed to the dissociated substance, which was stable. As a result, MTHPA is considered to be not ready biodegradable.